1. Database Reference
  2. Initialization Parameters
  3. Initialization Parameters
  4. JAVA_POOL_SIZE

1.156 JAVA_POOL_SIZE

JAVA_POOL_SIZE specifies (in bytes) the size of the Java pool, from which the Java memory manager allocates most Java state during run-time execution. This memory includes the shared in-memory representation of Java method and class definitions, as well as the Java objects that are migrated to the Java session space at end-of-call.
Property Description

Parameter type

Big integer

Syntax

JAVA_POOL_SIZE = integer [K | M | G]

Default value

If SGA_TARGET is set: If the parameter is not specified, then the default is 0 (internally determined by the Oracle Database). If the parameter is specified, then the user-specified value indicates a minimum value for the memory pool.

If SGA_TARGET is not set: 24 MB, rounded up to the nearest granule size

Modifiable

ALTER SYSTEM

Modifiable in a PDB

No

Range of values

Minimum: 0 (values greater than zero are rounded up to the nearest granule size)

Maximum: operating system-dependent

Basic

No

See Also:

Oracle Database Java Developer’s Guide for more information about this parameter